From nobody Tue Apr 7 01:01:25 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE62A1DF271; Tue, 17 Mar 2026 05:23:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773725021; cv=none; b=fQPC+XVpCOtFw3ZEHS41mlopErbQ8qPkgl+hdqfV/9wkx+6tX1y47H48Ej6q3Pcp0z1+rf4fy2NMbnEiGigpYtIwla8oA2tk9a0Fa9nSLQ/ZlBlPW3arJkTSAVh23TbNcT6BQjHwNV6rsr+1gjhUkZ5KnjlO5YQJVhi72TM9c50= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773725021; c=relaxed/simple; bh=FK+G92G7k2Ab54zT1nugqRs23c6TUh6PpjiXtF3RnE0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=EIFYqZ07GR4W8XoMBV1Fkp5WeZy/0nmRLpvNtw5YyZcg9e24LOk3SXcNrXsJOTYgnVsTsUG9RnMLgZdt/SimYHBSX147cPUuFPwmm2AIJShF2hMiQvyL8MkMhoTODEj7lmECsvLFEFtjd77F0Y/eSCnFj0zvGqPNstP4fJ7xWG4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W9glFbx1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W9glFbx1" Received: by smtp.kernel.org (Postfix) with ESMTPS id 758FBC2BC86; Tue, 17 Mar 2026 05:23:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773725021; bh=FK+G92G7k2Ab54zT1nugqRs23c6TUh6PpjiXtF3RnE0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=W9glFbx1VnMxAlsipfZ3lz1WUR5jLFfbsfjbqc2oXsnEVdGP4j+g/e0Y7LtY8Li6l 4gyPcggfiXoTCIBLRRS66R4i+bmEtAVDn8oBgZg+BP8cvPcEwnh2oMIYR04D5wZd0X ILuaHLVdpH94dxknjJN4gMKfianJYPnAIn8TDQ/7O60JvZEdgC44RVI55MZnAjbaED Lcbh4flXghvTKgNEluxA6ejKaPxjyqSASI9t+tTqd//C9AwxabebYx/jvtS5glqwGM rolCkJYPuQ6KkPGFKE15eBfrD0RTNGPTBLJJE9DIKVTxKQFpSucBHUh+1AFb4ProYc 0ZIH3KMo4P+EQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6522BFB5EBE; Tue, 17 Mar 2026 05:23:41 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Tue, 17 Mar 2026 00:23:07 -0500 Subject: [PATCH v2 1/2] dt-bindings: display: panel: Add ChipWealth CH13726A AMOLED driver bindings Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260317-ch13726a-v2-1-28aa46bcd6d0@gmail.com> References: <20260317-ch13726a-v2-0-28aa46bcd6d0@gmail.com> In-Reply-To: <20260317-ch13726a-v2-0-28aa46bcd6d0@gmail.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teguh Sobirin , Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773725020; l=2226; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=HoyWD2jkf4xCy515SWrSieQpbdHFlSZWlbu93PkDP+k=; b=Ur1UZGhaW1sGDhqg46w1R+Cv9Bprvmajepyw7Z9GScijq3EKRNK3P+1Vopt4trvgpMHwhFhom g4jI3ADdPaEDeB8ADtxQ70DqiQ7vS9ksx25F9KpsacZ/sTm7d5O4cbf X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling The Chip Wealth Technology CH13726A display driver is a single chip solution for AMOLED using MIPI-DSI. This is used for the AYN Thor bottom panel. Signed-off-by: Aaron Kling --- .../display/panel/chipwealth,ch13726a.yaml | 66 ++++++++++++++++++= ++++ 1 file changed, 66 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/chipwealth,ch1= 3726a.yaml b/Documentation/devicetree/bindings/display/panel/chipwealth,ch1= 3726a.yaml new file mode 100644 index 0000000000000000000000000000000000000000..b490c6757bb98c0752ded78b8fe= a3aaec853c7b2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.y= aml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/chipwealth,ch13726a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Chip Wealth Technology CH13726A display driver + +maintainers: + - Neil Armstrong + +description: + Chip Wealth Technology CH13726A is a single-chip solution + for AMOLED connected using a MIPI-DSI video interface. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: ayntec,thor-panel-bottom + + port: true + reg: + maxItems: 1 + description: DSI virtual channel + + vdd-supply: true + vddio-supply: true + vdd1v2-supply: true + avdd-supply: true + + reset-gpios: true + + rotation: true + +required: + - compatible + - reg + - vdd-supply + - vddio-supply + - vdd1v2-supply + - avdd-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells =3D <1>; + #size-cells =3D <0>; + panel@0 { + compatible =3D "ayntec,thor-panel-bottom"; + reg =3D <0>; + vdd1v2-supply =3D <&vreg_l11b_1p2>; + vddio-supply =3D <&vdd_disp_1v8>; + vdd-supply =3D <&vreg_l13b_3p0>; + avdd-supply =3D <&vdd_disp2_2v8>; + reset-gpios =3D <&tlmm 133 GPIO_ACTIVE_HIGH>; + }; + }; + +... --=20 2.53.0 From nobody Tue Apr 7 01:01:25 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE70823EA8A; Tue, 17 Mar 2026 05:23:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773725021; cv=none; b=XqW0l4QTRvIPGdbuKi7PX2ccCIJNc49R85jZOKf/IRvfTHqOYTyqqX/cT4HRBWo+z3EWETTkVaCu5gcdi7U+4xhBWIejlaNwOwhsuBJ3nn1jVMoKCwKQYsPnqz2/66ml3CMdw8TM0SfaDB6isdzlLBKYpk8ER90BovXy9TmxPvw= ARC-Message-Signature: i=1; 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b=NFwFvbyiRZw9tYRm512QZ3+OCx3B9EaEuVvcZWxqpfJCNPO807h4goZjoZRblgy1P 5L0njb/qSPg30+rpTBHDcXTX1Z5ufcHIfFTiVJQwWqdgeSMPEGjadoVU1ETfAUn85u 4Fv1F95ITRs+bUqLwMW9PJlWVLwijWqH/LL8uDfguhQhdd3naz9TGHbNsduQPfAxKo kryokTriaPGIBmYlXEA4naABFpr7U9J39ld1Wz+dlkP8lO4yr7A2g30HAc0SDuiLCp VMht4yPKbgLURkQgse/W59+vmOBGEa/CUZupVHPHWBvcCf+AWUZc69hA4hSpR7Hpvn W8noQzjKnCp3A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73094FB5EBF; Tue, 17 Mar 2026 05:23:41 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Tue, 17 Mar 2026 00:23:08 -0500 Subject: [PATCH v2 2/2] drm/panel: Add panel driver for ChipWealth CH13726A based panels Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260317-ch13726a-v2-2-28aa46bcd6d0@gmail.com> References: <20260317-ch13726a-v2-0-28aa46bcd6d0@gmail.com> In-Reply-To: <20260317-ch13726a-v2-0-28aa46bcd6d0@gmail.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teguh Sobirin , Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773725020; l=11523; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=PGS1htHub0KITyss9Eg2gXWt15DqDviEDfgDHc/FXP4=; b=enWXU+7dQxRS2OCu1hfzr2hpQYJKiHviwO6D7ob0pHgGTSnDpKpb4kNixwwAHVx14MXN60WSz i+JsxNeDAUwALz2NILNUzpyj24n6K1bJYoeEQxsBnYydiG/bRBBUMG+ X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Teguh Sobirin This is used by the AYN Thor for the bottom panel. Signed-off-by: Teguh Sobirin Co-developed-by: Aaron Kling Signed-off-by: Aaron Kling --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c | 339 ++++++++++++++++++= ++++ 3 files changed, 351 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a99f2e2a49fe66a09c6f2d503f570b05a5e228b1..e953b61a819082866b93d0a453e= e750a76d70c18 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -105,6 +105,17 @@ config DRM_PANEL_BOE_TV101WUM_LL2 Say Y here if you want to support for BOE TV101WUM-LL2 WUXGA PANEL DSI Video Mode panel =20 +config DRM_PANEL_CHIPWEALTH_CH13726A + tristate "CHIPWEALTH CH13726A-based DSI panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER + help + Say Y here if you want to enable support for ChipWealth + CH13726A-based display panels. + config DRM_PANEL_EBBG_FT8719 tristate "EBBG FT8719 panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 3336a2c0cd86419b6a22f74dcde6df966a311da9..85da2eb5a5c664d4302837f52e7= e10ec11da8966 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_DRM_PANEL_BOE_TD4320) +=3D panel-boe-td4320.o obj-$(CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A) +=3D panel-boe-th101mb31ig= 002-28a.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_LL2) +=3D panel-boe-tv101wum-ll2.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) +=3D panel-boe-tv101wum-nl6.o +obj-$(CONFIG_DRM_PANEL_CHIPWEALTH_CH13726A) +=3D panel-chipwealth-ch13726a= .o obj-$(CONFIG_DRM_PANEL_DSI_CM) +=3D panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) +=3D panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) +=3D panel-simple.o diff --git a/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c b/drivers/gp= u/drm/panel/panel-chipwealth-ch13726a.c new file mode 100644 index 0000000000000000000000000000000000000000..48a5e20e07c48748e073f8bb914= 7036c18c51caa --- /dev/null +++ b/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c @@ -0,0 +1,339 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * ChipWealth CH13726A MIPI-DSI panel driver + * Copyright (c) 2024, Teguh Sobirin . + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include